:root{--bg:#fff;--ink:#111827;--muted:#4b5563;--line:#e5e7eb;--soft:#f9fafb;--accent:#111827;--ok:#047857}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit}img{max-width:100%;height:auto;display:block}.container{max-width:1180px;margin:0 auto;padding:0 20px}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}.brand{font-weight:800;font-size:20px;letter-spacing:-.02em;text-decoration:none}.nav-links{display:flex;gap:18px;font-size:14px}.nav-links a{text-decoration:none;color:var(--muted)}.nav-links a:hover{color:var(--ink)}
.hero{padding:48px 0 32px;background:linear-gradient(180deg,#f9fafb,#fff)}.hero h1{font-size:clamp(30px,4vw,52px);line-height:1.05;margin:0 0 14px;letter-spacing:-.045em}.hero p{max-width:760px;font-size:18px;color:var(--muted);margin:0 0 24px}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--accent);color:#fff;padding:13px 22px;text-decoration:none;font-weight:700;border:1px solid var(--accent);min-height:48px}.button.secondary{background:#fff;color:var(--ink);border-color:var(--line)}.button:hover{transform:translateY(-1px)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.card{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;box-shadow:0 8px 20px rgba(15,23,42,.04)}.card-media{aspect-ratio:1/1;background:var(--soft);display:flex;align-items:center;justify-content:center}.card-media img{width:100%;height:100%;object-fit:contain}.card-body{padding:18px}.card h2{font-size:18px;line-height:1.25;margin:0 0 10px}.card p{font-size:14px;color:var(--muted);margin:0 0 14px}.price{font-size:22px;font-weight:800;margin:0 0 16px}.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#ecfdf5;color:var(--ok);font-size:12px;font-weight:700;margin-bottom:10px}.section{padding:44px 0}.section h2{font-size:28px;letter-spacing:-.03em;margin:0 0 18px}.muted{color:var(--muted)}
.breadcrumb{font-size:13px;color:var(--muted);margin:22px 0}.breadcrumb a{text-decoration:none;color:var(--muted)}.product-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}.gallery{display:grid;gap:14px}.main-image{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--soft);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}.main-image img{width:100%;height:100%;object-fit:contain}.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.thumb{border:1px solid var(--line);border-radius:12px;background:var(--soft);aspect-ratio:1/1;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover}
.buy-box{position:sticky;top:88px;border:1px solid var(--line);border-radius:24px;padding:28px;background:#fff;box-shadow:0 18px 44px rgba(15,23,42,.06)}.buy-box h1{font-size:clamp(28px,3vw,42px);line-height:1.08;margin:0 0 12px;letter-spacing:-.04em}.sku{font-size:13px;color:var(--muted);margin-bottom:12px}.short{font-size:16px;color:#374151;margin:0 0 18px}.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}.trust div{border:1px solid var(--line);border-radius:14px;padding:12px;font-size:12px;color:var(--muted);background:var(--soft)}
.content{max-width:860px}.content h2{margin-top:32px}.content table{width:100%;border-collapse:collapse;margin:16px 0}.content td,.content th{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.content ul{padding-left:20px}.faq-item{border-top:1px solid var(--line);padding:18px 0}.faq-item h3{font-size:17px;margin:0 0 6px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.footer{border-top:1px solid var(--line);margin-top:56px;padding:28px 0;color:var(--muted);font-size:14px}
.notice{border:1px solid #fde68a;background:#fffbeb;border-radius:16px;padding:14px 16px;color:#92400e;margin-top:18px;font-size:14px}
@media(max-width:880px){.grid,.product-layout,.related-grid{grid-template-columns:1fr}.buy-box{position:static}.trust{grid-template-columns:1fr}.nav{align-items:flex-start;flex-direction:column;padding:14px 0}.nav-links{flex-wrap:wrap}.hero{padding:34px 0 24px}.section{padding:30px 0}.thumb-grid{grid-template-columns:repeat(3,1fr)}}

.gallery{position:relative}.main-image{position:relative;cursor:zoom-in}.gallery-nav{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.9);background:rgba(17,24,39,.72);color:#fff;font-size:30px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:3}.gallery-nav.prev{left:14px}.gallery-nav.next{right:14px}.gallery-nav:hover{background:rgba(17,24,39,.92)}.gallery-counter{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(17,24,39,.72);color:#fff;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:700;z-index:3}.thumb{cursor:pointer;transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease}.thumb:hover{transform:translateY(-1px)}.thumb.active{border-color:#111827;box-shadow:0 0 0 2px rgba(17,24,39,.08)}.lightbox{position:fixed;inset:0;background:rgba(17,24,39,.92);display:none;align-items:center;justify-content:center;z-index:1000;padding:64px 20px}.lightbox.open{display:flex}.lightbox img{max-width:min(92vw,1100px);max-height:78vh;object-fit:contain}.lightbox-close,.lightbox-nav{position:absolute;border:0;background:rgba(255,255,255,.14);color:#fff;border-radius:999px;display:flex;align-items:center;justify-content:center;cursor:pointer}.lightbox-close{top:20px;right:20px;width:44px;height:44px;font-size:30px}.lightbox-nav{top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:34px}.lightbox-nav.prev{left:20px}.lightbox-nav.next{right:20px}.lightbox-counter{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.12);color:#fff;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
@media(max-width:880px){.thumb-grid{grid-template-columns:repeat(4,minmax(72px,1fr));overflow-x:auto;padding-bottom:4px}.gallery-nav{width:38px;height:38px;font-size:26px}.lightbox-nav{width:42px;height:42px;font-size:28px}.lightbox-close{width:40px;height:40px;font-size:28px}}


/* v3 Shopify-like product experience */
.site-header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px)}
.breadcrumb{margin:18px 0 24px}
.product-layout{grid-template-columns:minmax(0,1.06fr) minmax(360px,.94fr);gap:48px}
.gallery{grid-template-columns:96px minmax(0,1fr);align-items:start;gap:14px}
.gallery .main-image{grid-column:2;grid-row:1;min-height:620px;border-radius:22px;box-shadow:0 12px 24px rgba(15,23,42,.06)}
.gallery .thumb-grid{grid-column:1;grid-row:1;display:flex;flex-direction:column;gap:10px;max-height:620px;overflow:auto;padding-right:4px}
.gallery .thumb{min-height:86px;aspect-ratio:1/1;border-radius:16px}.gallery .thumb img{object-fit:contain;background:#fff}
.buy-box{border-radius:20px;box-shadow:0 16px 34px rgba(15,23,42,.08);padding:30px}
.buy-box .price{font-size:34px;margin:8px 0 18px;letter-spacing:-.03em}
.product-form{margin:6px 0 16px}.qty-label{font-size:14px;font-weight:700;margin-bottom:8px}.qty-selector{display:inline-grid;grid-template-columns:44px 74px 44px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.qty-btn,.qty-input{border:0;background:#fff;height:44px;font:inherit;text-align:center}.qty-btn{font-size:22px;cursor:pointer}.qty-btn:hover{background:#f9fafb}.qty-input{width:100%;font-weight:700}.qty-input::-webkit-outer-spin-button,.qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.buy-box .button.buy-now{display:flex;width:100%;min-height:54px;font-size:16px}
.quick-points{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:8px}.quick-points li{position:relative;padding-left:20px;color:#374151;font-size:14px}.quick-points li:before{content:'✓';position:absolute;left:0;top:0;color:#047857;font-weight:800}.buy-note{font-size:13px;color:var(--muted);margin:10px 0 0;text-align:center}
.section#details .content{max-width:100%}.product-details-header h2{font-size:30px;letter-spacing:-.03em}.accordion{display:grid;gap:12px}.accordion details{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}.accordion summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:space-between}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:'+';font-size:22px;line-height:1;color:#6b7280}.accordion details[open] summary:after{content:'−'}.accordion-panel{padding:0 20px 20px}.accordion-panel > *:first-child{margin-top:0}.accordion-panel p,.accordion-panel li,.accordion-panel td,.accordion-panel th{font-size:15px}
.related-grid .card{border-radius:18px}.related-grid .card h2{font-size:16px}
.mobile-sticky-buy{display:none}
.footer{padding-bottom:24px}
@media(max-width:1100px){.gallery .main-image{min-height:520px}}
@media(max-width:880px){.product-layout{gap:24px}.gallery{grid-template-columns:1fr}.gallery .main-image{grid-column:1;grid-row:1;min-height:auto}.gallery .thumb-grid{grid-column:1;grid-row:2;display:grid;grid-template-columns:repeat(4,minmax(74px,1fr));max-height:none;overflow-x:auto;overflow-y:hidden;padding-right:0}.buy-box{padding:22px}.buy-box h1{font-size:30px}.mobile-sticky-buy{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(14px);border-top:1px solid var(--line)}.mobile-sticky-inner{display:flex;gap:12px;align-items:center;justify-content:space-between;max-width:1180px;margin:0 auto}.mobile-sticky-meta{min-width:0}.mobile-sticky-name{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}.mobile-sticky-price{font-size:18px;font-weight:800;letter-spacing:-.02em}.mobile-sticky-buy .button{min-height:48px;padding:12px 18px;white-space:nowrap}.footer{padding-bottom:92px}}


/* v4 refinement */
.announcement-bar{background:#111827;color:#fff;font-size:12px;line-height:1.4}.announcement-bar .container{padding-top:9px;padding-bottom:9px;text-align:center}
.hero{padding:66px 0 42px;background:radial-gradient(1200px 420px at 10% 0%, #eef2ff 0, rgba(238,242,255,0) 60%),linear-gradient(180deg,#f9fafb,#fff)}.hero-kicker{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px;font-weight:700;margin-bottom:14px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.grid{gap:22px}.card{transition:transform .22s ease, box-shadow .22s ease,border-color .22s ease}.card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(15,23,42,.08);border-color:#d1d5db}.card-media{overflow:hidden}.card-media img{transition:transform .35s ease}.card:hover .card-media img{transform:scale(1.04)}.card-body .button{width:100%;justify-content:center}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;margin-bottom:8px;text-decoration:none;color:#4b5563;font-size:14px}.back-link:hover{color:#111827}.meta-pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 14px}.meta-pills span{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#f9fafb;font-size:12px;font-weight:700;color:#374151}
.main-image img{transition:transform .18s ease}.main-image img.is-zoomed{transform:scale(1.72)}.zoom-hint{position:absolute;right:14px;bottom:14px;background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:12px;font-weight:700;color:#111827;z-index:3}
.gallery .thumb-grid::-webkit-scrollbar{width:8px;height:8px}.gallery .thumb-grid::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:999px}.gallery .thumb-grid::-webkit-scrollbar-track{background:transparent}
.buy-box .badge{margin-bottom:12px}.sku{font-size:13px;color:#6b7280;margin-bottom:4px}.buy-note{padding-bottom:4px}
.section h2{letter-spacing:-.035em}
.related-grid .card-body .button{min-height:44px}
@media(max-width:880px){.announcement-bar .container{text-align:left;font-size:11px}.hero{padding:44px 0 30px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.hero-actions .button{width:100%}.zoom-hint{display:none}.back-link{margin-top:12px}.main-image img.is-zoomed{transform:none}.grid{grid-template-columns:repeat(2,1fr);gap:16px}.card h2{font-size:16px}.card-body{padding:14px}.card-body p{font-size:13px}.card-body .price{font-size:20px}}
@media(max-width:560px){.grid{grid-template-columns:1fr 1fr}.nav-links{gap:14px}.mobile-sticky-name{max-width:150px}}


/* v5 conversion + collection UX */
.collection-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) 220px;gap:14px;align-items:end;margin:4px 0 16px}.collection-search,.collection-sort{display:grid;gap:7px;font-size:13px;font-weight:700;color:#374151}.collection-search input,.collection-sort select{height:46px;border:1px solid var(--line);border-radius:14px;padding:0 14px;background:#fff;font:inherit}.filter-chips{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 10px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;font-weight:700;font-size:13px;cursor:pointer}.filter-chip.active,.filter-chip:hover{background:#111827;color:#fff;border-color:#111827}.product-count{font-size:13px;color:var(--muted);margin-bottom:20px}.card[hidden]{display:none}.card-meta-row{font-size:12px;color:#047857;font-weight:700;margin:-6px 0 12px}.product-quick-nav{position:sticky;top:65px;z-index:18;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);border:1px solid var(--line);border-radius:999px;margin:26px 0 0;padding:6px;display:flex;gap:4px;justify-content:center}.product-quick-nav a{text-decoration:none;padding:10px 16px;border-radius:999px;font-size:13px;font-weight:800;color:#374151}.product-quick-nav a:hover{background:#f3f4f6;color:#111827}.spec-strip-v5{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0 4px}.spec-mini-card{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fff}.spec-mini-card span{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:4px}.spec-mini-card strong{font-size:15px}.checkout-panel-v5{display:grid;gap:10px;margin-top:16px;border-top:1px solid var(--line);padding-top:16px}.checkout-panel-item{display:grid;gap:2px}.checkout-panel-item strong{font-size:13px}.checkout-panel-item span{font-size:12px;color:var(--muted)}.desktop-sticky-buy{position:fixed;right:22px;bottom:22px;z-index:58;width:min(360px,calc(100vw - 44px));background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(14px);border:1px solid var(--line);border-radius:20px;box-shadow:0 18px 42px rgba(15,23,42,.14);padding:14px;display:flex;align-items:center;gap:12px}.desktop-sticky-meta{min-width:0;flex:1}.desktop-sticky-name{font-size:13px;color:#374151;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.desktop-sticky-price{font-size:20px;font-weight:900;letter-spacing:-.03em}.desktop-sticky-buy .button{min-height:44px;padding:10px 16px;white-space:nowrap}.buy-box{border-color:#d1d5db}.buy-box .button.buy-now{box-shadow:0 12px 24px rgba(17,24,39,.15)}
@media(max-width:880px){.collection-toolbar{grid-template-columns:1fr}.product-quick-nav{top:auto;overflow-x:auto;justify-content:flex-start;margin-top:16px;border-radius:16px}.product-quick-nav a{white-space:nowrap}.spec-strip-v5{grid-template-columns:repeat(2,1fr)}.desktop-sticky-buy{display:none}.checkout-panel-v5{display:none}.filter-chips{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.filter-chip{white-space:nowrap}}
@media(max-width:560px){.collection-search input,.collection-sort select{height:44px}.spec-strip-v5{gap:8px}.spec-mini-card{padding:12px}.product-quick-nav{margin-left:-4px;margin-right:-4px}}


/* refined UI fixes */
.collection-shell-v6{display:grid;gap:16px;margin-bottom:20px}.collection-title-v6{margin-bottom:8px}.collection-subtitle-v6{margin:0;color:var(--muted);font-size:15px}.collection-controls-v6{border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#fff,#fafafa);padding:18px 18px 16px;box-shadow:0 10px 24px rgba(15,23,42,.04)}.collection-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:14px;align-items:end;margin:0}.collection-search,.collection-sort{display:grid;gap:8px;font-size:12px;font-weight:800;color:#374151}.search-input-wrap{display:grid;grid-template-columns:32px minmax(0,1fr) auto;align-items:center;height:48px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:0 6px 0 10px}.search-icon{color:#6b7280;font-size:16px;text-align:center}.collection-search input{border:0;outline:0;height:100%;padding:0 8px;background:transparent;font:inherit}.collection-search input::placeholder{color:#9ca3af}.clear-search,.link-reset-filters{border:0;background:transparent;color:#6b7280;font:inherit;font-weight:700;cursor:pointer}.clear-search{padding:8px 10px;border-radius:10px}.clear-search:hover,.link-reset-filters:hover{background:#f3f4f6;color:#111827}.collection-sort select{height:48px;border:1px solid var(--line);border-radius:14px;padding:0 14px;background:#fff;font:inherit}.filter-chips{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 10px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-weight:700;font-size:13px;cursor:pointer;transition:all .2s ease}.filter-chip.active,.filter-chip:hover{background:#111827;color:#fff;border-color:#111827;box-shadow:0 8px 18px rgba(17,24,39,.12)}.collection-status-v6{display:flex;align-items:center;justify-content:space-between;gap:12px}.product-count{font-size:13px;color:var(--muted);margin:0}.collection-empty{border:1px dashed #d1d5db;border-radius:20px;padding:28px;text-align:center;background:#fff;margin-top:16px}.collection-empty h3{margin:0 0 8px;font-size:20px}.collection-empty p{margin:0;color:var(--muted)}
.product-grid-v6,.product-grid-v5{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.card h2 a{text-decoration:none}.card h2 a:hover{text-decoration:underline}.card p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:66px}.price{margin-top:auto}.card-body{display:flex;flex-direction:column;height:100%}.card{display:flex;flex-direction:column}.card-media{aspect-ratio:1 / 1;background:#f7f7f8}.card-media img{padding:10px}.card-body .button{margin-top:auto}
.gallery{align-items:start}.gallery .main-image{background:#fff;border:1px solid #e5e7eb;box-shadow:0 8px 20px rgba(15,23,42,.04)}.gallery .main-image img{object-fit:contain;padding:18px}.gallery .thumb-grid{gap:12px}.gallery .thumb{background:#fff;border:1px solid #e5e7eb;box-shadow:none}.gallery .thumb img{object-fit:contain;padding:6px}.gallery-counter{top:14px;bottom:auto;left:auto;right:14px;transform:none;background:rgba(17,24,39,.82)}.zoom-hint{left:14px;right:auto;bottom:14px}.buy-box,.spec-mini-card,.accordion details,.card,.desktop-sticky-buy{box-shadow:0 10px 24px rgba(15,23,42,.05)}
.desktop-sticky-buy,.mobile-sticky-buy{opacity:0;pointer-events:none;transform:translateY(16px);transition:opacity .22s ease, transform .22s ease}.desktop-sticky-buy.is-visible,.mobile-sticky-buy.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.desktop-sticky-buy{right:20px;bottom:20px}.mobile-sticky-buy{box-shadow:0 -8px 18px rgba(15,23,42,.08)}
.product-quick-nav{margin:22px 0 0;border-radius:16px;padding:8px;gap:6px;justify-content:flex-start;overflow:auto;scrollbar-width:none}.product-quick-nav::-webkit-scrollbar{display:none}.product-quick-nav a{background:#fff;border:1px solid var(--line)}.product-quick-nav a:hover{background:#111827;color:#fff;border-color:#111827}.spec-strip-v5{gap:14px}.spec-mini-card strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:1100px){.product-grid-v6,.product-grid-v5{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery .main-image{min-height:0}}
@media(max-width:880px){.collection-controls-v6{padding:14px}.collection-toolbar{grid-template-columns:1fr}.search-input-wrap,.collection-sort select{height:46px}.filter-chips{flex-wrap:nowrap;overflow:auto;padding-bottom:2px;scrollbar-width:none}.filter-chips::-webkit-scrollbar{display:none}.filter-chip{white-space:nowrap}.collection-status-v6{align-items:flex-start;flex-direction:column}.product-grid-v6,.product-grid-v5{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card-body{padding:14px}.card p{min-height:auto;-webkit-line-clamp:2}.product-layout{gap:22px}.gallery{display:block}.gallery .main-image{min-height:auto;aspect-ratio:1 / 1;border-radius:18px}.gallery .main-image img{padding:14px}.gallery .thumb-grid{display:flex !important;flex-direction:row;overflow-x:auto;overflow-y:hidden;gap:10px;padding:12px 2px 4px;max-height:none;scroll-snap-type:x proximity}.gallery .thumb{flex:0 0 72px;min-height:72px;scroll-snap-align:start;border-radius:12px}.gallery-nav{width:36px;height:36px;font-size:24px}.gallery-nav.prev{left:10px}.gallery-nav.next{right:10px}.gallery-counter{top:10px;right:10px;padding:5px 10px}.zoom-hint{display:none}.spec-strip-v5{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.accordion summary{padding:16px 16px;font-size:16px}.accordion-panel{padding:0 16px 16px}.related-grid{grid-template-columns:1fr}.product-quick-nav{position:static;margin-top:18px}}
@media(max-width:560px){.hero p{font-size:16px}.product-grid-v6,.product-grid-v5{grid-template-columns:1fr}.card-media{aspect-ratio:1 / 1}.thumb-grid .thumb{flex-basis:68px}.mobile-sticky-inner{gap:10px}.mobile-sticky-name{max-width:120px}.mobile-sticky-price{font-size:16px}}